Technical Difficulties, Reprise

I'm doing my best, but when, in an expert attempt (not mine) at trouble-shooting, no viruses are found, software is adjusted, and hard drive replaced, what remains? Even my gurus are baffled. So, when it works, I'll be here, and when it doesn't, I'll be frustrated. Meanwhile, my uncertainty sees itself in this pensive pose of Sarah's. This was her visual vantage point from our vacation hotel room--chin on the windowsill, nose resting on the screen, eye on downtown: